18772677

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 34265088

約数和(自身を除く): 15492411

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 103, 231, 263, 309, 693, 721, 789, 927, 1133, 1841, 2163, 2367, 2893, 3399, 5523, 6489, 7931, 8679, 10197, 16569, 20251, 23793, 26037, 27089, 60753, 71379, 81267, 182259, 189623, 243801, 297979, 568869, 893937, 1706607, 2085853, 2681811, 6257559, 18772677]

約数ペア:

[(1, 18772677), (3, 6257559), (7, 2681811), (9, 2085853), (11, 1706607), (21, 893937), (33, 568869), (63, 297979), (77, 243801), (99, 189623), (103, 182259), (231, 81267), (263, 71379), (309, 60753), (693, 27089), (721, 26037), (789, 23793), (927, 20251), (1133, 16569), (1841, 10197), (2163, 8679), (2367, 7931), (2893, 6489), (3399, 5523)]